public void OnResize(int width, int height)
{
if (mRealTexture != null)
{
mRealTexture.Dispose();
}
if (mTmpTexture != null)
{
mTmpTexture.Dispose();
}
mRealTexture = new SharpDX.Direct3D11.Texture2D(mDevice.Device, new SharpDX.Direct3D11.Texture2DDescription
{
ArraySize = 1,
BindFlags = SharpDX.Direct3D11.BindFlags.RenderTarget | SharpDX.Direct3D11.BindFlags.ShaderResource,
CpuAccessFlags = SharpDX.Direct3D11.CpuAccessFlags.None,
Format = Format.B8G8R8A8_UNorm,
Height = height,
Width = width,
MipLevels = 1,
OptionFlags = SharpDX.Direct3D11.ResourceOptionFlags.SharedKeyedmutex,
SampleDescription = new SampleDescription(1, 0),
Usage = SharpDX.Direct3D11.ResourceUsage.Default
});
using (var resource = mRealTexture.QueryInterface <SharpDX.DXGI.Resource>())
mTmpTexture = D2DDevice.OpenSharedResource <Texture2D>(resource.SharedHandle);
if (NativeView != null)
{
NativeView.Dispose();
}
NativeView = new SharpDX.Direct3D11.ShaderResourceView(mDevice.Device, mRealTexture,
new SharpDX.Direct3D11.ShaderResourceViewDescription
{
Format = Format.B8G8R8A8_UNorm,
Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Texture2D = new SharpDX.Direct3D11.ShaderResourceViewDescription.Texture2DResource
{
MipLevels = 1,
MostDetailedMip = 0
}
});
if (RenderTarget != null)
{
RenderTarget.Dispose();
}
using (var surface = mTmpTexture.QueryInterface <Surface>())
RenderTarget = new RenderTarget(Direct2DFactory, surface, new RenderTargetProperties()
{
DpiX = 0.0f,
DpiY = 0.0f,
MinLevel = SharpDX.Direct2D1.FeatureLevel.Level_DEFAULT,
PixelFormat = new PixelFormat()
{
AlphaMode = AlphaMode.Premultiplied, Format = Format.Unknown
},
Type = RenderTargetType.Hardware,
Usage = RenderTargetUsage.None
});
if (mMutex10 != null)
{
mMutex10.Dispose();
}
if (mMutex11 != null)
{
mMutex11.Dispose();
}
mMutex10 = mTmpTexture.QueryInterface <KeyedMutex>();
mMutex11 = mRealTexture.QueryInterface <KeyedMutex>();
Brushes.Initialize(RenderTarget);
Fonts.Initialize(DirectWriteFactory);
Button.Initialize();
Frame.Initialize();
// right now the texture is unowned and only a key of 0 will succeed.
// after releasing it with a specific key said key then can be used for
// further locking.
mMutex10.Acquire(0, -1);
mMutex10.Release(Key11);
}
/// ------------------------------------------------------------------------------------------------
///
protected override void OnElementChanged(Xamarin.Forms.Platform.iOS.ElementChangedEventArgs <View> e)
{
try
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
if (formsMap == null)
{
formsMap = (CustomMap)e.NewElement;
}
this.MapViewInstance().GetViewForAnnotation = null;
customPins.Clear();
}
if (e.NewElement != null)
{
if (formsMap == null)
{
formsMap = (CustomMap)e.NewElement;
}
var customView = Control as CustomMKAnnotationView;
if (Control != null)
{
Control.RemoveGestureRecognizer(_tapRecogniser);
}
base.OnElementChanged(e);
if (Control != null)
{
Control.AddGestureRecognizer(_tapRecogniser);
}
if (customPins == null)
{
customPins = new List <CustomPin>();
}
else if (customPins != null && customPins.Count != 0)
{
customPins.Clear();
}
var singlePin = MapViewModel.GetCurrentPin();
if (singlePin != null)
{
formsMap.Pins.Add(singlePin.Pin);
customPins.Add(singlePin);
}
formsMap.ClearPins = () =>
{
if (customPins != null)
{
formsMap?.Pins.Clear();
customPins.Clear();
}
};
formsMap.LoadPins = Pins =>
{
if (Pins != null)
{
customPins.Clear();
formsMap.Pins.Clear();
foreach (var pin in Pins)
{
formsMap.CustomPins = Pins;
formsMap.Pins.Add(pin.Pin);
customPins.Add(pin);
}
}
};
this.MapViewInstance().GetViewForAnnotation = GetViewForAnnotation;
formsMap.DisposeMapControl = () =>
{
try
{
//
annotationView?.RemoveFromSuperview();
annotationView?.Dispose();
//
_nativeMap?.RemoveFromSuperview();
_nativeMap?.Delegate?.Dispose();
_nativeMap.Delegate = null;
_nativeMap?.Dispose();
//
NativeView?.RemoveFromSuperview();
NativeView?.Dispose();
//
formsMap = null;
customPins = null;
singlePin = null;
//
customView?.RemoveFromSuperview();
customView?.Dispose();
//
Control?.RemoveFromSuperview();
Control?.Dispose();
//
}
catch (ObjectDisposedException ex)
{
}
catch (Exception ex)
{
}
};
}
}
catch (Exception ex)
{
}
}
